Benefits at a glance:

Discounts on most mountain rail and cableways in the Bernese Oberland, i.e. Jungfraujoch, Schilthorn etc.

Free connections into the Valais

Special prices on selected routes

Swiss Travel System Family Cards are valid, so if you have purchased a valid STS product (for example Swiss Card, Swiss Pass etc...)
there is no need to add the number of children, they will travel free with the STS Family Card

The lakes of Interlaken (a romantic paddle boat on the Thunersee
pictured here) offer some of Switzerland's
most stunning vistas and settings for such famous peaks as the Eiger.

Details:

This 10 day first-class pass gives you 10 consecutive days of unlimited travel (reduced rate travel on some routes).